867004992 has 224 divisors, whose sum is σ = 2935020800. Its totient is φ = 245846016.

The previous prime is 867004973. The next prime is 867005039. The reversal of 867004992 is 299400768.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2769828 + ... + 2770140.

Almost surely, 2^867004992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 867004992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467510400).

867004992 is an abundant number, since it is smaller than the sum of its proper divisors (2068015808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867004992 is a wasteful number, since it uses less digits than its factorization.

867004992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 867004992 is about 29444.9484971531. The cubic root of 867004992 is about 953.5435496890.

The spelling of 867004992 in words is "eight hundred sixty-seven million, four thousand, nine hundred ninety-two".